Function Premium and Durable: This electric bicycle display is made of premium ABS, which is durable and wear-resistant and has a long service life. Low failure rate: wires and interfaces are durable, providing low failure rate for long-term use, excellent performance and stable operation. Waterproof Connector: This LCD display interface is waterproof and not afraid of getting wet when used on rainy days, which is convenient and practical. Replacement Accessories: This display panel is the perfect accessory for electric bikes, scooters, etc. to replace old or damaged original parts. Easy installation: installation diameter is 31,8 mm and 22,2 mm optional, simple design, easy installation and operation, convenient to use. Specification Item Type: Electric Bike Display Material: ABS Gross weight: 184g/6,5 oz Voltage: default designation 36 V (24 V 36 V 48 V 60 V universal) Installation diameter: about 31.8mm/1.3in. About 22,2 mm / 0,9 inch optional List of packages 1 x Electric Bike LCD Display 1 x Instruction;